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- Discharge Coefficient for Nozzles and Orifices | Neutrium
The discharge coefficient is a dimensionless number used to characterise the flow and pressure loss behaviour of nozzles and orifices in fluid systems Orifices and nozzles are typically used to deliberately reduce pressure, restrict flow or to measure flow rate
- Orifice, Nozzle, and Venturi Flow Meters: Principles, Calculations Data
The discharge coefficient - cd - varies considerably with changes in area ratio and the Reynolds number A discharge coefficient cd = 0 60 may be taken as standard, but the value varies noticeably at low values of the Reynolds number
- Discharge coefficient - Wikipedia
In a nozzle or other constriction, the discharge coefficient (also known as coefficient of discharge or efflux coefficient) is the ratio of the actual discharge to the ideal discharge, [1] i e , the ratio of the mass flow rate at the discharge end of the nozzle to that of an ideal nozzle which expands an identical working fluid from the same
- Orifice Discharge Coefficient - Piping Designer
Orifice discharge coefficient, abbreviated as Cd C d, a dimensionless number, is used in fluid dynamics to describe the flow of a fluid (liquid or gas) through an orifice, which is a small opening or hole in a pipe or plate
- Discharge Coefficient
rough a tube or pipe An important element in this process is the discharge coeficient, which is defined as: “In a nozzle or other constriction, the ratio of the mass flow rate at the discharge end of the nozzle to that of an ideal nozzle which expands an iden-tical working fluid from the same initial conditions to the same
- USBR Water Measurement Manual - Chapter 2 - Basic Concepts Related to . . .
The coefficient of discharge for orifices in pipes varies from 0 60 to 0 80 and varies with the diameter ratio For flow nozzles in pipelines, the coefficient varies from 0 96 to 1 2 for turbulent flow and varies with the diameter ratio
- Coefficient of Discharge Calculator
Definition: This calculator computes the theoretical discharge (Q t h) through an orifice, the coefficient of discharge (C d), which is the ratio of actual to theoretical discharge, and the flow resistance (k), which quantifies the resistance to flow
- Orifice Flow Meter Discharge Coefficient Values Using ISO 5167
The value of the orifice discharge coefficient for a particular orifice flow meter is needed to calculate the pipe flow rate from the measured pressure difference across an orifice in the flow path
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